Would any of you pay $29 a month for a web app that shows all backlinks for a site

I know that there are alot of services that show backlinks. Usually they start at about $59 per month.
Im a software developer and im thinking of building a bare bones web app that get right to the point and shows the # of backlinks as well as the URL of all backlinks, plus maybe a couple of other features.

Would anyone be interested in something like this at that price point.
If not, is there any other function that i could add that would make it more appealing?
Thanks

I think semrush has one for free a browser based app- create a app that pulls backlink data - tie it in with known ranking factors - then take the current rankings of that site and create a predictability report- that would be killer

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